Twitch - Congratulations to Na'Vi Ostkaka, the 2015 #Hearthstone World Champion! | Facebook
Swedish player Ostkaka wins the 2015 Hearthstone World Championship at BlizzCon - Polygon
2015 Hearthstone World Championship Details - Wowhead News
Hearthstone News: Hearthstone World Championship 2016 will likely have a multi-major circuit, similar to Dota 2 | GosuGamers
Decklists of Champions! - Hearthstone
Hearthstone World Championship - Hearthstone Wiki
Hearthstone World Championship - Players, Format & Schedule
Congratulations to Ostkaka! - Hearthstone
Hearthstone 2015 World Championship Announced
Hearthstone gets serious about esports in 2016 with nearly $2 million in prizes - Polygon
Hearthstone on X: "The #Hearthstone World Championship Finals between @NaViOstkaka and @HotformHS is on now!https://t.co/1jBGTRWLGr https://t.co/2CnB4vn9Ne" / X
Hearthstone Majors: Are Region Locked Finals a Good Thing? - Articles - Tempo Storm
Blizzard Press Center - Hearthstone 2015 World Championship Assets
Alliance announces new Hearthstone player | by Alliance | Medium
Hearthstone's revamped e-sports tournament features $1 million in prizes - The Verge
Hearthstone World Championship - Hearthstone Wiki
BlizzCon 2014: Starcraft 2, WoW and Hearthstone Championships Prove Esport is Serious Business | IBTimes UK
Hearthstone World Championship 2015 - YouTube
Congratulations to the Americas Champion! - Hearthstone
Hearthstone World Championship - Players, Format & Schedule
2015 Hearthstone world champion Ostkaka joins Alliance - Dot Esports
Hearthstone News: Ostkaka is the new Hearthstone World Champion! | GosuGamers
European 2015 Hearthstone World Championship Players Review - Dot Esports
2015 HWC - Asia-Pacific Championship Southeast Asia Finals - Liquipedia Hearthstone Wiki